feat: Async api (#60)

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

tests/test_1-url-async-ws.py

@@ -0,0 +1,48 @@
+import base64
+from pathlib import Path
+
+import httpx
+import pytest
+import pytest_asyncio
+from websockets.sync.client import connect
+
+
+@pytest_asyncio.fixture
+async def async_client():
+    async with httpx.AsyncClient(timeout=60.0) as client:
+        yield client
+
+
+@pytest.mark.asyncio
+async def test_convert_url(async_client: httpx.AsyncClient):
+    """Test convert URL to all outputs"""
+
+    doc_filename = Path("tests/2408.09869v5.pdf")
+    encoded_doc = base64.b64encode(doc_filename.read_bytes()).decode()
+
+    base_url = "http://localhost:5001/v1alpha"
+    payload = {
+        "options": {
+            "to_formats": ["md", "json"],
+            "image_export_mode": "placeholder",
+            "ocr": True,
+            "abort_on_error": False,
+            "return_as_file": False,
+        },
+        # "http_sources": [{"url": "https://arxiv.org/pdf/2501.17887"}],
+        "file_sources": [{"base64_string": encoded_doc, "filename": doc_filename.name}],
+    }
+    # print(json.dumps(payload, indent=2))
+
+    for n in range(5):
+        response = await async_client.post(
+            f"{base_url}/convert/source/async", json=payload
+        )
+        assert response.status_code == 200, "Response should be 200 OK"
+
+    task = response.json()
+
+    uri = f"ws://localhost:5001/v1alpha/status/ws/{task['task_id']}"
+    with connect(uri) as websocket:
+        for message in websocket:
+            print(message)